/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.zookeeper;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.junit.internal.runners.statements.InvokeMethod;
import org.junit.runners.BlockJUnit4ClassRunner;
import org.junit.runners.model.FrameworkMethod;
import org.junit.runners.model.InitializationError;
import org.junit.runners.model.Statement;

/**
 * The sole responsibility of this class is to print to the log when a test
 * starts and when it finishes.
 */
public class JUnit4ZKTestRunner extends BlockJUnit4ClassRunner {
	public class LoggedInvokeMethod extends InvokeMethod {
		private String name;

		public LoggedInvokeMethod(FrameworkMethod method, Object target) {
			super(method, target);
			name = method.getName();
		}

		@Override
		public void evaluate() throws Throwable {
			LOG.info("RUNNING TEST METHOD " + name);
			try {
				super.evaluate();
			} catch (Throwable t) {
				LOG.info("TEST METHOD FAILED " + name, t);
				throw t;
			}
			LOG.info("FINISHED TEST METHOD " + name);
		}
	}

	private static final Logger LOG = LoggerFactory.getLogger(JUnit4ZKTestRunner.class);

	public JUnit4ZKTestRunner(Class<?> klass) throws InitializationError {
		super(klass);
	}

	@Override
	protected Statement methodInvoker(FrameworkMethod method, Object test) {
		return new LoggedInvokeMethod(method, test);
	}
}
